Create a function that determines whether or not a given year is a leap year. Leap years are determined by the following rules
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@ -1,4 +1,13 @@
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const leapYears = function() {
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const leapYears = function(input) {
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if (input % 4 != 0) {
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return false;
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}
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if(input % 4 == 0 && input % 400 == 0 || input % 100 != 0){
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return true
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}
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if (input % 100 == 0 && input % 400 != 0) {
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return false;
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}
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};
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};
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@ -4,19 +4,19 @@ describe('leapYears', () => {
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test('works with non century years', () => {
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test('works with non century years', () => {
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expect(leapYears(1996)).toBe(true);
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expect(leapYears(1996)).toBe(true);
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});
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});
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test.skip('works with non century years', () => {
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test('works with non century years', () => {
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expect(leapYears(1997)).toBe(false);
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expect(leapYears(1997)).toBe(false);
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});
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});
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test.skip('works with ridiculously futuristic non century years', () => {
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test('works with ridiculously futuristic non century years', () => {
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expect(leapYears(34992)).toBe(true);
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expect(leapYears(34992)).toBe(true);
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});
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});
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test.skip('works with century years', () => {
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test('works with century years', () => {
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expect(leapYears(1900)).toBe(false);
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expect(leapYears(1900)).toBe(false);
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});
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});
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test.skip('works with century years', () => {
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test('works with century years', () => {
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expect(leapYears(1600)).toBe(true);
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expect(leapYears(1600)).toBe(true);
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});
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});
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test.skip('works with century years', () => {
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test('works with century years', () => {
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expect(leapYears(700)).toBe(false);
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expect(leapYears(700)).toBe(false);
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});
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});
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});
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});
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